BOLTS BOLSTER OLB WITH KEISER SIGNING

Freeney left San Diego without having signed a contract, as outside linebacker Thomas Keiser was the one instead to ink a deal. Those two players are viewed internally as two separate situations, as the arrival of Keiser is considered to have no affect on the team’s pursuit of Freeney.

The 33-year-old’s two-day visit ended Thursday, and those familiar with it describe it as having gone well. San Diego remains interested in adding Freeney to its outside linebacker corps.

Upgrading the edge rush became the Chargers’ No. 1 player personnel priority this week after outside linebacker Melvin Ingram tore the anterior cruciate ligament in his left knee. The team is preparing to be without him for the 2013 season.

Keiser might not be a one-stop solution, but he is expected to help.

Listed at 6-foot-4 and 260 pounds, he joins Jarret Johnson and Larry English as the only healthy Chargers veterans at outside linebacker.

He first signed with the Panthers in 2011 as an undrafted rookie out of Stanford, spending half the season on the practice squad. The 24-year-old played the final eight games, totaling 12 tackles, four sacks and an interception.

Keiser had four tackles and half a sack in four games last year before a season-ending elbow injury.

Chargers tickets

Tickets to all eight of the Chargers’ home games in 2013 will go on sale Monday.

A select portion are available on an individual basis.

San Diego announced Thursday its ticket sale plan for the upcoming regular season. Four games, including the Monday Night Football opener against the Texans on Sept. 9, will become available for individual purchase at 10 a.m., be it online, in person or via phone.

The other individual games are against the Colts (Oct. 14), Bengals (Dec. 1) and Chiefs (Dec. 29). Prices start at $59.

As for the other four home matchups — Cowboys (Sept. 29), Broncos (Nov. 10), Giants (Dec. 8) and Raiders (Dec. 22) — they currently can be purchased only in bulk through two possible routes.

The first is through season tickets. Prices range from $390 to $1,100.

The second is through a four-game mini-pack, of which there are two plans, both including a preseason game.

Plan A is for the Seahawks (Aug. 8), Texans, Cowboys, and Raiders. Plan B includes the 49ers (Aug. 29), Colts, Broncos and Giants. Each package of four costs $260, the same as the single-game ticket rate.

Games against the Cowboys, Broncos, Giants and Raiders are projected to be the most popular sellers.

“Due to high interest, the Chargers don’t anticipate tickets to those games being available on a single-game basis,” the team said in a release.

Tickets can be purchased through the ticket office at Gate C of Qualcomm Stadium,
Chargers.com, or by calling 877-Chargers.

San Diego struggled at the box office in 2012. Four regular-season games were blacked out.